Model NO.: 144
Outer Dia: 5-400mm
W.T.: 0.5-10mm
Deep Processing: Decal, Sandblast etc.
Trademark: Chuangyou
Transport Package: Carton, Carton+Pallet
Specification: 5-400mm
Origin: Shandong
HS Code: 70023200
China high quality transparent borosilicate glass test tube 
Product Information
 
Outer Diameter 5-400mm
Wall Thickness 0.5-10mm
Length up to your demands

Usages:
 1.Lighting Decoraions
 2.Glass blowing
 3.Solar Vaccum Tubes
 4.Glass Arts & Crafts
 5.Laboratory Instruments
 6.Glass lamp shade

Physical and Chemical properties
 

NO.

Physical and Chemical properties 

Numerical Value

 

1

Silicon content

≥80%

2

Transformation temperature 

525±15 °C

3

The annealing temperature    

560 °C

4

Softening point

820±10 °C

5

Refractive index

1.47

6

Transmittance(2mm)

92%

7

Elastic modulus

76KNmm-2

8

Tensile strength 

40-120Nmm-2

9

Coefficient of mean linear thermal expansion(20/300°C)

3.3±0.1(10-6K-1)

10

Working point

1260±20 °C

11

Density at 20 °C

2.23 g/cm2

12

Hydrolytic resistance at 98 °C

ISO719-HGB1

13

Hydrolytic resistance at 121 °C

ISO720-HGA1

14

Acid resistance class

ISO1776-1

15

Alkali resistance class

ISO695-A2

China High Quality Transparent Borosilicate Glass Test Tube (144)
China High Quality Transparent Borosilicate Glass Test Tube (144)

Packing Information
 Size below 20mm: Shrinked film + Carton
 Size over 20mm: Paper + Carton
 
China High Quality Transparent Borosilicate Glass Test Tube (144)

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